Siren Disc, Lab Sound Apparatus
From $7.50 (Ex GST)
- Rotating siren disc sound demonstrator, air jet through hole rows produces audible siren tone
- Aluminium disc listed 175 mm diameter with 10/6 mm stem, mounts on central shaft for rotation
- Four hole rows listed 24, 30, 36 and 48 holes, stated ratios 4, 5, 6 and 8
- Combined output of all hole rows stated to form a natural musical chord during operation
- Metal blow tube with fine jet directs air onto disc holes, creates siren sound for physics teaching
- Description
Description
Siren disc parts for sound demonstrations using a rotating hole disc and a directed air jet to generate audible tones. Options include an aluminium siren disc with a central stem and four hole rows, and a matching metal blow tube with fine jet for directing air onto the disc holes.
Metal siren disc mounted on a central shaft so it can be rotated. Disc has 4 rows of holes and when a fine jet of air is blown through the rotating holes, a siren tone is produced. Hole counts listed 24, 30, 36 and 48, stated as ratios 4, 5, 6 and 8. Combined sound from all four hole rows is stated to form a natural musical chord.For the blow tube only, see LC-80-SW3770-001
Blow tube used on the siren disc LC-80-SW3760-001, metal with fine jet. Jet of air directed onto the rotating disc holes creates a siren sound.
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